This new technique, termed coaxial lithography (COAL), offers a combination of radial and longitudinal degrees of compositional freedom within the nanowire. Synthetic control over the radial dimension combined with the possibility of selectively deleting features used to build the nanowires significantly expands the range of architectures that can be synthesized using COAL.
Apr 15th, 2015
Read moreNew work shows how spray-drying prepared MOF nanoparticles containing lanthanide metals may be used as nanothermometers operative over a wide range of temperatures, in particular, in the cryogenic range.
Apr 15th, 2015
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A simple method for creating high-quality two-dimensional materials could enable industrial-scale production.
Apr 15th, 2015
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Lauded for its health benefits, green tea now has another claim to fame - the basis of a therapeutic delivery system for anticancer drugs.
Apr 15th, 2015
Read moreWhen it comes to supramolecular chemistry, the carboxylic acid group - and its conjugate carboxylate base - is one of the chemist's most flexible friends. In pairs, they act as supramolecular synthons from which more complicated structures might be built but also offer up complex hydrogen bond connectivity.
Apr 14th, 2015
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A new study explores the ways in which electrical charges move along DNA bases affixed to a pair of electrodes.
Apr 14th, 2015
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Scientists affiliated with Europe's Graphene Flagship develop a photodetector that converts incident light into electrical signals on femtosecond timescales, enabling ultrafast operation speeds for electronic circuits in optical communications and various other applications.
Apr 14th, 2015
Read moreA breakthrough in understanding the way in which crystals develop will have a major impact for the pharmaceutical, chemical and food industries.
Apr 14th, 2015
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Researchers have been able to develop a graphene-based photodetector capable of converting absorbed light into an electrical voltage at ultrafast timescales.
Apr 14th, 2015
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Researchers have analyzed the varying thickness of printed toner in unprecedented 3-D detail, yielding insights that could lead to higher quality, less expensive and more environmentally-friendly glossy and non-glossy papers.
Apr 14th, 2015
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A bulky catalyst induces pinpoint targeting on benzene to create bioactive molecules.
Apr 14th, 2015
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New technique uses carbon nanotube film to directly heat and cure composite materials.
Apr 14th, 2015
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With the help of a new method, researchers have now succeeded in producing not only spherical but also sheet-like and fibrous nanostructures.
Apr 14th, 2015
Read moreResearchers identify precise heat to boost immune system against cancer tumors.
Apr 14th, 2015
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Researchers managed to make homogenous cylindrical objects completely invisible in the microwave range. Contrary to the now prevailing notion of invisibility that relies on metamaterial coatings, the scientists achieved the result using a homogenous object without any additional coating layers.
Apr 14th, 2015
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Scientists have uncovered the first evidence of an unusual quantum phenomenon - the integer quantum Hall effect - in a new type of film, called a 3D topological insulator. In doing this, they demonstrated that 'surface Dirac states' - a particular form of massless electrons - are quantized in these materials, meaning that they only take on certain discrete values.
Apr 14th, 2015
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